{"product_id":"firing-circuits-1870-0414-18700414-card-board","title":"FIRING CIRCUITS 1870-0414 \/ 18700414 Card board","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eFiring Circuits 1870-0414 (18700414)\u003c\/strong\u003e is a circuit board designed for use in power conversion and drive systems. Firing circuit boards are critical components responsible for generating and controlling the gate pulses that trigger thyristors (SCRs) or other power semiconductor devices in industrial power electronics applications.\u003c\/p\u003e\n\n\u003cp\u003eThis board is typically found in medium- to high-power drive systems, power supplies, and industrial control equipment where precise and reliable firing pulse generation is essential for proper operation. The 1870-0414 ensures accurate timing and sequencing of gate signals, contributing to stable and efficient power conversion. It is suitable as a direct replacement in systems that originally utilize this specific Firing Circuits part number.\u003c\/p\u003e\n\n\u003cp\u003eFiring circuit cards like the 1870-0414 are commonly used in applications such as DC motor drives, electroplating rectifiers, induction heating systems, and other industrial processes that rely on thyristor-based power control. Proper functioning of this board is essential for maintaining consistent output and protecting downstream power components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Firing Circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1870-0414 \/ 18700414\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Firing Circuit \/ Gate Driver Card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Thyristor\/SCR gate pulse generation and control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Power conversion systems, DC drives, rectifiers, and industrial power electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Printed circuit board (PCB) card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Certified Pre-Owned, fully tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf you have questions about compatibility with your specific drive system or power conversion equipment, please contact us before purchasing. Our team can help verify that this board is the correct replacement for your application.\u003c\/p\u003e","brand":"Firing Circuits","offers":[{"title":"Default Title","offer_id":43673060606061,"sku":"13830","price":292.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_566d6d5f-7f77-4619-8450-44b413444b09.jpg?v=1763346874","url":"https:\/\/willardshvacsupply.com\/products\/firing-circuits-1870-0414-18700414-card-board","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}